NTSB CAROL · Event
Event ANC77DA035
Aircraft involved
Historical record (pre-1982)
NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.
Aircraft
DEHAVILLAND DHC-6 · N2714R
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EB
Airport
EMMONAK
Weather at impact
Sky
OVERCAST
Wind
320° / 10 kt
Temp
20° F
Aircraft history
Serial number
000000000069
Total time
15,446 hrs
Pilot
Certificate
DA (DA)
Total hours
6,100
Probable cause (from PRE1982.MDB)
SLOPES DWN ABOUT 45DEG.RWY,BANK & RIVER SNOW CVRD.
Investigator remarks
APCH END RWY 3 STARTS AT BANK OF YUKON RVR.AREA
Cause factors
- 64/C/45 C PILOT IN COMMAND MISJUDGED DISTANCE,SPEED,AND ALTITUDE Cause
- 80/L/BC L AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY
- 83/L/B L TERRAIN SNOW-COVERED
Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.
Source: NTSB pre-1982 historical archive. Docket
1 0009.
Source file
NTSB_1977_1_0009.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2019 · Contractor Report (CR)
DHC-6 Twin Otter Tailplane Airfoil Section Testing in the Ohio State University 7x10 Wind Tunnel
Ice contaminated tailplane stall (ICTS) has been found to be responsible for 16 accidents with 139 fatalities over the last three decades, and is suspected to have played a role in other accidents and…
- NASA NTRS 2019 · Reprint (Version printed in journal)
In-Flight Aerodynamic Measurements of an Iced Horizontal Tailplane
The effects of tailplane icing on aircraft dynamics and tailplane aerodynamics were investigated using, NASA's modified DHC-6 Twin Otter icing research aircraft.
- NASA NTRS 2019 · Reprint (Version printed in journal)
Investigation of Dynamic Flight Maneuvers With an Iced Tailplane
A detailed analysis of two of the dynamic maneuvers, the pushover and elevator doublet, from the NASA/FAA Tailplane Icing Program are discussed.
Browse the full corpus — academia portal ↗